package com.rabbitmq.demo.util;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;

public class RandomUtil {

    /**   * 生成随机文件名：当前年月日时分秒+五位随机数   *   * @return   */
    public static String getRandomFileName() {
        SimpleDateFormat simpleDateFormat;
        simpleDateFormat = new SimpleDateFormat("yyyyMMdd");
        Date date = new Date();
        String str = simpleDateFormat.format(date);
        Random random = new Random();
        int rannum = (int) (random.nextDouble() * (99999 - 10000 + 1)) + 10000;
        return rannum + str;
        }


}
